1、一、定語從句(一)：1.定語從句的概念：在復合句中，修飾某一名詞或代詞的從句叫定語從句。2.先行詞：被定語從句修飾的名詞或代詞叫先行詞。3.關系詞：引導定語從句的連詞叫關系詞。女口that、which、who、whom、whose、where、when等。4.由that、which、who、whom、whose引導的定語從句。二、定語從句(二)1.先仃詞是物時，一般情況既可用that也可用which.但下列情況下，只能用that不用which。1).當先仃詞為指物的不疋代詞，女口all、everything、something、anything、nothing、none、theone等時，只能

2、用that。ThereisnothingIcandoforyou.2) .當先行詞被theonly、thevery、thelast、all、no、little等詞修飾時，只能用that。ThisistheverybookI'mlookingfor.3) .先行詞被序數(shù)詞修飾時，只能用that。ThisisthefirstnextbookIstudiedinthemiddleschool.4) .先行詞為最高級或被最高級修飾時，只能用that。ThisisthemostbeautifulmountainIhaveeverseen.=Ihaveseenabeautifulmountian.

3、5) .先行詞既有人也有物時，只能that。Hetoldusmanyinterestingthingsandpersonswehad.2.先仃詞是物時，一般情況既可用that也可用which.但下列情況下，只能用which不用that。1).關系代詞前有介詞時，關系詞只能用which。Thisisthebuildinginhelives.2).先行詞本身是that時，關系詞只能用which。Theclockisthattellsthetime.3).引導非限定性的定語從句(先行詞是物且先行詞與關系詞用逗號隔開)，關系詞用which。Hisbook,waslostlastweek,hasbeen

4、foundnow.3. 先行詞是人時，一般情況下既可用who也可用that。但以下情況下，只能用who。1) .當先行詞為those、one、ones、anyone且作主語時，一般用who。Thosearesingingareallmyclassmates.2) .在therebe句型中，先行詞指人時，只能用who。指物時用that。Thereisagirlexpectstoseeyou.3).當先仃詞是1、you、he、they等時，只能用who。Heplayswithfiregetsburned.三、定語從句(三)。由關系副詞when、where、why引導的定語從句。where=in/a

5、t+whichwhen=in/on/at+whichwhy=for+which1. 由where引導的定語從句。1).先行詞是表示地點的名詞2).在定語從句中作地點狀語Isthisthehouseyoulived?=Isthisthehouseyoulived=Isthisthehouseyoulivedin?2.由when引導的定語從句。1).先行詞是表示時間的名詞2).在定語從句中作時間狀語IwillneverforgetthedaysImethim.=IwillneverforgetthedaysImethim.注：先行詞是thelasttime時，when可省略。Whenwasthel

6、asttimeyousawtheparrot?3.由why引導的定語從句。先行詞為reason時，一般用why。why在句中作原因狀語。Wedon'tknowthereasontheydidn'tcome.四、注意事項：1. 關系詞在定語從句中作賓語時，常可省略。Thestoryhetoldwasverypopular.A.whoB.whomC.whoseD./2. that、who、which在定語從句中作主語時，定語從句的謂語動詞應與先行詞保持一致。Ilovessingerswho(write)theirownsongs.Sheisoneofthegirlswho(stud

7、y)hard.3. 在定語從句中不能出現(xiàn)代替先行詞的人稱代詞。Willyoupleaseshowmethebookyesterday?A.whichyouboughtB.thatyouboughtitC.youboughtD.youboughtit4.定語從句中whose的確定：無論先行詞是人或物，在定語從句中做定語用whose。判斷：看定語從句的主語前有無限定詞（my、your、Jim'等:，若沒有，則用whose。ThegirlparentsworkinBeijingisKate.nA.whoB.whoseC.whichD.thatIknowtheboy.Hishandwritin

8、gisverygood.=Iknowtheboyhandwritingisverygood.五、定語從句的簡化把定語從句簡化為形容詞短語、過去分詞短語、介詞短語、現(xiàn)在分詞短語。1.Shereveivedaboxwhichwasfullofpresents.Shereveivedaboxpresents.2. HelikesreadingbooksthatwaswrittenbyLuxun.HelikesreadingbookingLuxun.3.IlikeChineseteawhichhasnothinginit.IlikeChineseteainit.4. Doyouknowthegirlw

9、hoiswearingareddress.Doyouknowthegirlareddress.練習與鞏固：熟能生巧，取得好成績！()1.Themanisstandingthereismyfather.A.whoB.whomC.which()2.Whowasthemanspoketoyoujustnow?A.whoB.whomC.that()3.TomistheonlypersonIcandependon.A.thatB.whichC.who()4.Itisthebestfilmshehaseverseen.A.thatB.whichC.when()5.Beijingisthe29thcityh

10、oldstheOlympicGames.A.whereB.thatC.whichD.what()6.ThefootballmatchIwatchedyesterdayisfantastic!A.whenB.thatC.whatD.who()7.Chinaisacountryhasalonghistory.A.whoB.whichC.where()8.TheboyItalkedwithjustnowismybestfriend.A.whoB.whichC.where()9.ThedutyofProjectHopeistohelppoorchildren,isn'tit?Yes,ithas

11、builtmanyschools_thosechildrencanstudyhappily.A.whereB.whenC.which()10.WeknowJackieChanmoviesareverypopularwiththeyoung.A.whoseB.thatC.whoD.which()11.doyouknowthescientistgaveusatalkjustnow?A.whoB.whomC.whichD.whose()12.Thisisthedictionarymumgavemeformybirthday.A.whichB.whatC.whoseD.whom()13.Shaolin

12、templeliesinthewestofzhengzhouwelcomesthevisitorsbothathomeandabroad.A.whereB.whichC.whoD.what()14.Doyouknowthegirlisstandingunderthetree?Sheismylittlesister.A.whoB.whomC.whoseD.which()15.“Whatdoyouthinkoftheschooluniforms?”“Verygood.Ilikeclothesmakemefeelcomfortable.”A.thatB.whatC.who()16.Therewill

13、beaflowershowintheparkwevisitedlastweek.|A.whoB.whenC.whatD.Which()17.Nowmanypeoplesmokeandgetill.Soweshoulddosomethingcanhelpstopsmoking.A.whatB.whoC./D.that()18.IstillrememberthetimewespenttogetheratXisaiMountainlastyear.A.whenB.whatC.whoD.which()19.OneofthemostdeliciousdrinksIlikeisorangejuice.A.

14、whichB.thatC.whoseD.whom()20.Therearesomanygirlsoverthere.Whichoneisyoursister?Theonehatisyellow.A.whoB.whoseC.thatD.which()21.Wealllikethestoryabouttheteacherhappenedinourschoollastweek.AA.whichB.whoC.whomD.what()22.TheEnglish-Chinesedictionarymyfatherboughtformemanyyearsagoisstillofgreatvalue.A.wh

15、oseB.whenC.whoD.that()23.ZhangLiliisconsideredasthemostbeautifulteachergaveherlovetoherstudentsindanger.A.whoB.thatC.whomD.which()24.Mr.Smithissmokingislookingforshelostyesterday.A.whom;whichB.who;whatC.that;whoD.which;where()25.Successwillbelongtothoseneversay"impossible".A.whomB.whatC.whoD.which_|()26.Whatareyoulookingfor?rmlookingfortheringmyhusbandboughtmelastyear.A.thatB.whoC.whomD.it()27.Ihatepeopletalkmuchbutdolittle.A.whoB.which